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Belgium Village

Sewage treatment plant, Belgium, Wisconsin. NPDES permit WI0023353 expired Sep 30, 2023; its limits still apply. Last 12 months: over a limit 3 times (last February 2026), 81 required values missing, 6 of 26 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (17 values), outfall 001 form Q quarterly (2 values), outfall 701 form A monthly (6 values), outfall 001 form AN yearly
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 48 required values missing, 6 of 29 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], daily maximum19≤ 13 mg/L46%
February 2026Nitrogen, ammonia total [as N], daily maximum14≤ 13 mg/L8%
February 2026Nitrogen, ammonia total [as N], monthly average9.6029≤ 9 mg/L7%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 4 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedweekly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 19 mg/LOct001
Nitrogen, ammonia total [as N]weekly average≤ 20 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]weekly average≤ 13 mg/LApr001
Nitrogen, ammonia total [as N]weekly average≤ 15 mg/LMay–Sep001
Nitrogen, ammonia total [as N]monthly average≤ 8.7 mg/LOct001
Nitrogen, ammonia total [as N]monthly average≤ 9 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 6.1 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 6.7 mg/LMay–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 13 mg/LOct001
Nitrogen, ammonia total [as N]daily maximum≤ 13 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 13 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 13 mg/LMay–Sep001
Phosphorus, total [as P]monthly average≤ .3 mg/Lall year001
Phosphorus, total [as P]annual averagereport only (lb/yr)all year001
Phosphorus, total [as P]annual maximumreport only (lb/yr)all year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Chloride [as Cl]quarterly maximumreport only (mg/L)all year001
Copper, total recoverabledaily maximumreport only (ug/L)all year001
Copper, total recoverablequarterly maximumreport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Coliform, fecal generalweekly geometric mean≤ 848 #/100mLMay–Sep001
Coliform, fecal generalgeometric mean≤ 400 #/100mLMay–Sep001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year701
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year701
Solids, total suspendedmonthly averagereport only (mg/L)all year701
Solids, total suspendeddaily maximumreport only (mg/L)all year701
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year701
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year701

How strict are these limits?

Cited limits by parameter: Wisconsin's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/WI0023353 · MCP: https://passage-data.com/mcp